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Content for  TS 38.413  Word version:  18.2.0

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1…   4…   8…   8.2…   8.2.3…   8.3…   8.3.4…   8.4…   8.4.3…   8.5…   8.7…   8.8…   8.10…   8.12…   8.17…   9…   9.2…   9.2.2…   9.2.3…   9.2.4…   9.2.6…   9.2.7…   9.2.9…   9.2.11…   9.2.16…   9.2.17…   9.3…   9.3.1.21…   9.3.1.41…   9.3.1.61…   9.3.1.81…   9.3.1.101…   9.3.1.121…   9.3.1.141…   9.3.1.161…   9.3.1.181…   9.3.1.205…   9.3.1.222…   9.3.1.245…   9.3.2…   9.3.3…   9.3.3.21…   9.3.3.42…   9.3.4…   9.3.4.10…   9.3.5…   9.4…   9.4.4   9.4.5   9.4.6…   9.5…   10… 
1 Scope  2 References  3 Definitions and abbreviations  3.1 Definitions  3.2 Abbreviations 
...

 

1  Scope  p. 20

The present document specifies the radio network layer signalling protocol for the NG interface. The NG Application Protocol (NGAP) supports the functions of the NG interface by signalling procedures defined in this document. NGAP is developed in accordance to the general principles stated in TS 38.401 and TS 38.410.

2  References  p. 20

The following documents contain provisions which, through reference in this text, constitute provisions of the present document.
  • References are either specific (identified by date of publication, edition number, version number, etc.) or non-specific.
  • For a specific reference, subsequent revisions do not apply.
  • For a non-specific reference, the latest version applies. In the case of a reference to a 3GPP document (including a GSM document), a non-specific reference implicitly refers to the latest version of that document in the same Release as the present document.
[1]
TR 21.905: "Vocabulary for 3GPP Specifications".
[2]
TS 38.401: "NG-RAN; Architecture description".
[3]
TS 38.410: "NG-RAN; NG general aspects and principles".
[4]
ITU-T Recommendation X.691 (07/2002): "Information technology - ASN.1 encoding rules: Specification of Packed Encoding Rules (PER)".
[5]
ITU-T Recommendation X.680 (07/2002): "Information technology - Abstract Syntax Notation One (ASN.1): Specification of basic notation".
[6]
ITU-T Recommendation X.681 (07/2002): "Information technology - Abstract Syntax Notation One (ASN.1): Information object specification".
[7]
TR 25.921: (version.7.0.0) "Guidelines and principles for protocol description and error handling".
[8]
TS 38.300: "NR; NR and NG-RAN Overall Description; Stage 2".
[9]
TS 23.501: "System Architecture for the 5G System; Stage 2".
[10]
TS 23.502: "Procedures for the 5G System; Stage 2".
[11]
TS 32.422: "Trace control and configuration management".
[12]
TS 38.304: "NR; User Equipment (UE) procedures in idle mode and in RRC inactive state".
[13]
TS 33.501: "Security architecture and procedures for 5G System".
[14]
TS 38.414: "NG-RAN; NG data transport".
[15]
TS 29.281: "General Packet Radio System (GPRS); Tunnelling Protocol User Plane (GTPv1-U)".
[16]
TS 36.413: "Evolved Universal Terrestrial Radio Access Network (E-UTRAN); S1 Application Protocol (S1AP)".
[17]
TS 36.300: "Evolved Universal Terrestrial Radio Access (E-UTRA) and Evolved Universal Terrestrial Radio Access Network (E-UTRAN); Overall description; Stage 2".
[18]
TS 38.331: "NG-RAN; Radio Resource Control (RRC) Protocol Specification".
[19]
TS 38.455: "NG-RAN; NR Positioning Protocol A (NRPPa)".
[20]  Void
[21]
TS 36.331: "Evolved Universal Terrestrial Radio Access (E-UTRA) Radio Resource Control (RRC); Protocol specification".
[22]
TS 23.041: "Technical realization of Cell Broadcast Service (CBS)".
[23]
TS 23.003: "Numbering, addressing and identification".
[24]
TS 38.423: "NG-RAN; Xn Application Protocol (XnAP)".
[25]
RFC 5905  (2010-06): "Network Time Protocol Version 4: Protocol and Algorithms Specification".
[26]
TS 24.501: "Non-Access-Stratum (NAS) protocol for 5G System (5GS); Stage 3".
[27]
TS 33.401: "3GPP System Architecture Evolution (SAE); Security architecture".
[28]
TS 25.413: "UTRAN Iu interface RANAP signalling".
[29]
TS 36.304: "Evolved Universal Terrestrial Radio Access (E-UTRA); User Equipment (UE) procedures in idle mode".
[30]
TS 29.531: "5G System; Network Slice Selection Services; Stage 3".
[31]
TS 23.216: "Single Radio Voice Call Continuity (SRVCC); Stage 2".
[32]
TS 37.340: "Evolved Universal Terrestrial Radio Access (E-UTRA) and NR; Multi-connectivity; Stage 2".
[33]
TS 23.287: "Architecture enhancements for 5G System (5GS) to support Vehicle-to-Everything (V2X) services".
[34]
TS 23.316: "Wireless and wireline convergence access support for the 5G System (5GS)".
[35]
TS 29.571: "5G System; Common Data Types for Service Based Interfaces; Stage 3".
[36]
TS 29.510: "5G System; Network Function Repository Services; Stage 3".
[37]
CableLabs WR-TR-5WWC-ARCH: "5G Wireless Wireline Converged Core Architecture".
[38]
TS 36.401: "E-UTRAN Architecture Description".
[39]
TS 38.104: "NR; Base Station (BS) radio transmission and reception".
[40]
TS 36.423: "Evolved Universal Terrestrial Radio Access Network (E-UTRAN); X2 Application Protocol (X2AP) ".
[41]
TS 37.320: "Universal Terrestrial Radio Access (UTRA), Evolved Universal Terrestrial Radio Access (E-UTRA) and NR; Radio measurement collection for Minimization of Drive Tests (MDT); Overall description; Stage 2".
[42]
TS 36.306: "Evolved Universal Terrestrial Radio Access (E-UTRA); User Equipment (UE) radio access capabilities".
[43]
TS 29.244: "Interface between the Control Plane and the User Plane Nodes; Stage 3".
[44]
TS 23.247: "Architectural enhancements for 5G multicast-broadcast services; Stage 2".
[45]
TS 28.405: "Telecommunication management; Quality of Experience (QoE) measurement collection; Control and configuration".
[46]
TS 26.247: "Transparent end-to-end Packet-switched Streaming Service (PSS); Progressive Download and Dynamic Adaptive Streaming over HTTP (3GP-DASH)".
[47]
TS 23.304: "Proximity based Services (ProSe) in the 5G System (5GS)".
[48]
TS 38.314: "NR; Layer 2 Measurements".
[49]
TS 36.314: "Evolved Universal Terrestrial Radio Access (E-UTRA); Layer 2 - Measurements".
[50]
TS 23.203: "Policy and charging control architecture".
[51]
TS 26.114: "IP Multimedia Subsystem (IMS); Multimedia Telephony; Media handling and interaction".
[52]
TS 26.118: "Virtual Reality (VR) profiles for streaming applications".
[53]
RFC 4122:  "A Universally Unique IDentifier (UUID) URN Namespace".
[54]
TS 23.256: "Support of Uncrewed Aerial Systems (UAS) connectivity, identification and tracking; Stage 2".
[55]
IEEE Std 1588: "IEEE Standard for a Precision Clock Synchronization Protocol for Networked Measurement and Control Systems", Edition 2019.
[56]
TS 29.585: "5G System (5GS); Session Management Function (SMF) / Centralized User Configuration (CUC) to Access Network Talker Listener (AN-TL) and Core Network Talker Listener (CN-TL) protocol aspects; Stage 3".
[57]
TS 23.527: "5G System; Restoration procedures".
[58]
TS 24.007: "Mobile radio interface signalling layer 3; General aspects".
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3  Definitions and abbreviations  p. 22

3.1  Definitions  p. 22

For the purposes of the present document, the terms and definitions given in TR 21.905 and the following apply. A term defined in the present document takes precedence over the definition of the same term, if any, in TR 21.905.
ACL functionality:
as defined in TS 36.413.
CAG cell:
as defined in TS 38.300.
DAPS Handover:
as defined in TS 38.300.
Elementary Procedure:
NGAP consists of Elementary Procedures (EPs). An Elementary Procedure is a unit of interaction between the NG-RAN node and the AMF. These Elementary Procedures are defined separately and are intended to be used to build up complete sequences in a flexible manner. If the independence between some EPs is restricted, it is described under the relevant EP description. Unless otherwise stated by the restrictions, the EPs may be invoked independently of each other as standalone procedures, which can be active in parallel. The usage of several NGAP EPs together or together with EPs from other interfaces is specified in stage 2 specifications (e.g., TS 38.401, TS 38.410 and TS 38.300).
An EP consists of an initiating message and possibly a response message. Two kinds of EPs are used:
  • Class 1: Elementary Procedures with response (success and/or failure).
  • Class 2: Elementary Procedures without response.
For Class 1 EPs, the types of responses can be as follows:
  • Successful:
    • A signalling message explicitly indicates that the elementary procedure successfully completed with the receipt of the response.
  • Unsuccessful:
    • A signalling message explicitly indicates that the EP failed.
    • On time supervision expiry (i.e., absence of expected response).
  • Successful and Unsuccessful:
    • One signalling message reports both successful and unsuccessful outcome for the different included requests. The response message used is the one defined for successful outcome.
    Class 2 EPs are considered always successful.
en-gNB:
as defined in TS 37.340.
gNB:
as defined in TS 38.300.
MBS session resource:
as defined in TS 38.401.
Mobile IAB-MT:
as defined in TS 38.300.
Mobile IAB-node:
as defined in TS 38.300.
NB-IoT:
as defined in TS 36.300.
ng-eNB:
as defined in TS 38.300.
NG-RAN node:
as defined in TS 38.300.
Non-CAG cell:
as defined in TS 38.300.
PDU session resource:
as defined in TS 38.401.
Public Network Integrated NPN:
as defined in TS 23.501.
Stand-alone Non-Public Network:
as defined in TS 23.501.
Up

3.2  Abbreviations  p. 23

For the purposes of the present document, the abbreviations given in TR 21.905 and the following apply. An abbreviation defined in the present document takes precedence over the definition of the same abbreviation, if any, in TR 21.905.
5GC
5G Core Network
5QI
5G QoS Identifier
ACL
Access Control List
AMF
Access and Mobility Management Function
CAG
Closed Access Group
CGI
Cell Global Identifier
CP
Control Plane
DAPS
Dual Active Protocol Stacks
DC
Dual Connectivity
DL
Downlink
EPC
Evolved Packet Core
FN-RG
Fixed Network Residential Gateway
GUAMI
Globally Unique AMF Identifier
HFC
Hybrid Fiber-Coax
IAB
Integrated Access and Backhaul
IMEISV
International Mobile station Equipment Identity and Software Version number
LMF
Location Management Function
MBS
Multicast/Broadcast Service
MT
Mobile Terminated
N3IWF
Non 3GPP InterWorking Function
NB-IoT
Narrow Band Internet of Things
NGAP
NG Application Protocol
NID
Network Identifier
NPN
Non-Public Network
NRPPa
NR Positioning Protocol Annex
NSAG
Network Slice AS Group
NSCI
New Security Context Indicator
NSSAI
Network Slice Selection Assistance Information
OTDOA
Observed Time Difference of Arrival
PEIPS
Paging Early Indication with Paging Subgrouping
PNI-NPN
Public Network Integrated Non-Public Network
ProSe
Proximity Services
PSCell
Primary SCG Cell
PTM
Point to Multipoint
PTP
Point to Point
QMC
QoE Measurement Collection
QoE
Quality of Experience
RedCap
Reduced Capability
RIM
Remote Interference Management
RIM-RS
RIM Reference Signal
RSN
Redundancy Sequence Number
RSPP
Ranging/SL Positioning Protocol
SCG
Secondary Cell Group
SCTP
Stream Control Transmission Protocol
SgNB
Secondary gNB
SMF
Session Management Function
S-NG-RAN node
Secondary NG-RAN node
SNPN
Stand-alone Non-Public Network
S-NSSAI
Single Network Slice Selection Assistance Information
TAC
Tracking Area Code
TAI
Tracking Area Identity
TNAP
Trusted Non-3GPP Access Point
TNGF
Trusted Non-3GPP Gateway Function
TNLA
Transport Network Layer Association
TSS
Timing Synchronisation Status
TWAP
Trusted WLAN Access Point
TWIF
Trusted WLAN Interworking Function
UL
Uplink
UP
User Plane
UPF
User Plane Function
V2X
Vehicle-to-Everything
W-AGF
Wireline Access Gateway Function
WUS
Wake Up Signal
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